ITouchInputHandler.h

/*
 *  Copyright (C) 2013-2018 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#pragma once

#include "input/touch/ITouchInputHandling.h"

#include <atomic>
#include <stdint.h>

typedef enum
{
  TouchInputUnchanged = 0,
  TouchInputAbort,
  TouchInputDown,
  TouchInputUp,
  TouchInputMove
} TouchInput;

class ITouchInputHandler : public ITouchInputHandling
{
public:
  ITouchInputHandler() : m_dpi(160.0f) {}
  ~ITouchInputHandler() override = default;

  virtual bool HandleTouchInput(
      TouchInput event, float x, float y, int64_t time, int32_t pointer = 0, float size = 0.0f) = 0;

  virtual bool UpdateTouchPointer(
      int32_t pointer, float x, float y, int64_t time, float size = 0.0f)
  {
    return false;
  }

  void SetScreenDPI(float dpi)
  {
    if (dpi > 0.0f)
      m_dpi = dpi;
  }
  float GetScreenDPI() { return m_dpi; }

protected:
  std::atomic<float> m_dpi;
};